Some of it comes down to the state of U.S. workers’ paychecks. Adjusted for inflation, personal income excluding government transfers peaked in December and has declined at a 3 percent annual rate over the past three months. That helps explain consumption’s punk 0.8 percent contribution to first-quarter GDP, the lowest in a year.
https://www.bloomberg.com/opinion/articles/2019-05-08/the-mighty-u-s-consumer-is-struggling